A function that ignores positional arguments

Can you write a function that completely ignores any positional argument passed to it and return 2 keyword arguments - name and surname separated by a dash (-)?
The function should ignore all the positional arguments passed to it. It should return two keyword arguments passed to it separated by a dash. Several examples of the function call:
def full_name():
    ...

print(full_name(2, 3, 4, name='Bob', surname='Brown'))  # Bob-Brown
print(full_name(name='Anna', surname='Brown'))          # Anna-Brown
print(full_name('Anna', name='Lily', surname='Green'))  # Lily-Green
 

Constraints

Time limit: 2 seconds

Memory limit: 512 MB

Output limit: 1 MB

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